I had the same problem when I first bought my '95 used. Turned out for me that the problem was driving with the moon roof partially open- I thought that at the speed I was going the water wouldn't get in-duh!
Just pulled the plugs in the bottom of my swimming pool, let it dry-and DIDN'T DO THAT AGAIN!!!
Three years later I have a NEW problem. Seem to get a leak under or behind the back seat left hand side, and on the carpet. Anyone else ever have a problem with that? It's happened even when I let the car sit- I didn't leave the window open!
I'm in the process of pulling out the seats now to let them dry....
Another ? I've found the 2 front drain holes for the sun roof, but don't see where the additional holes are. Could someone tell me???
Thanks,
Maddog
ps- No trace of water or staining on roof liner- Leak has gotta' be oozing from somewhere else...
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'95 LS400 210,000 miles. Daily driver, runs like a clock. 2nd tranny though.
'88 944 Guards Red Porsche Turbo ("Lucille") with chip and boost enhancer. For sale (alas).
'89 944 Red Turbo S. ("red haze"). My track car...can't keep 'em both.